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Synthesis and Combinational Antibacterial Study of 5″-Modified Neomycin
- J. Zhang, Katherine J. Keller, +4 authors C. Chang
- Chemistry, Medicine
- The Journal of Antibiotics
- 24 July 2009
A library of 5″-modified neomycin derivatives were synthesized for an antibacterial structure–activity optimization strategy. Two leads exhibited prominent activity against both methicillin-resistant… Expand
Surprising alteration of antibacterial activity of 5"-modified neomycin against resistant bacteria.
- J. Zhang, Fang-I Chiang, L. Wu, P. G. Czyryca, Ding Li, C. Chang
- Chemistry, Medicine
- Journal of medicinal chemistry
- 11 December 2008
A facile synthetic protocol for the production of neomycin B derivatives with various modifications at the 5'' position has been developed. The structural activity relationship (SAR) against… Expand
Glycodiversification for the optimization of the kanamycin class aminoglycosides.
- J. Wang, J. Li, +5 authors C. Chang
- Chemistry, Medicine
- Journal of medicinal chemistry
- 2 September 2005
In an effort to optimize the antibacterial activity of kanamycin class aminoglycoside antibiotics, we have accomplished the synthesis and antibacterial assay of new kanamycin B analogues. A… Expand
Application of glycodiversification: expedient synthesis and antibacterial evaluation of a library of kanamycin B analogues.
[reaction: see text] The expedient synthesis of a library of kanamycin B analogues is reported. The revealed SAR will guide future designs in developing kanamycin-type aminoglycoside antibiotics… Expand
Synthesis of an unusual branched-chain sugar, 5-C-methyl-L-idopyranose for SAR studies of pyranmycins: implication for the future design of aminoglycoside antibiotics.
- J. Wang, J. Li, P. G. Czyryca, Huiwen Chang, J. Kao, C. Chang
- Chemistry, Medicine
- Bioorganic & medicinal chemistry letters
- 6 September 2004
The syntheses of a challenging branched-chain sugar and several L-sugars have been accomplished. Their application in studies of the antibacterial activity of pyranmycins is reported, which could… Expand
Design and synthesis of pyrankacin: a pyranmycin class of broad-spectrum aminoglycoside antibiotic.
- R. Rai, Hsiao-Nung Chen, P. G. Czyryca, J. Li, C. Chang
- Chemistry, Medicine
- Organic letters
- 10 February 2006
A novel broad-spectrum aminoglycoside antibiotic, pyrankacin, has been prepared. In addition to the synthetic innovation in dideoxygenation and regioselective Staudinger reduction, we have obtained… Expand
HyperChem™ as a Programming Environment for De NovoMethodology
- P. G. Czyryca, A. Hengge
- Computer Science
- 2003